APA引文

Al-Naamani, K., Alzadjali, N., Barkun, A. N., & Fallone, C. A. (2008). Does blood urea nitrogen level predict severity and high-risk endoscopic lesions in patients with nonvariceal upper gastrointestinal bleeding? Pulsus Group Inc.

Citação norma Chicago

Al-Naamani, Khalid, Nabil Alzadjali, Alan N. Barkun, and Carlo A. Fallone. Does Blood Urea Nitrogen Level Predict Severity and High-risk Endoscopic Lesions in Patients With Nonvariceal Upper Gastrointestinal Bleeding? Pulsus Group Inc, 2008.

MLA引文

Al-Naamani, Khalid, Nabil Alzadjali, Alan N. Barkun, and Carlo A. Fallone. Does Blood Urea Nitrogen Level Predict Severity and High-risk Endoscopic Lesions in Patients With Nonvariceal Upper Gastrointestinal Bleeding? Pulsus Group Inc, 2008.

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